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GCSE > Biology test 26.5.22 > Flashcards

Biology test 26.5.22 Flashcards

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1
Q

Photosynthesis

A

Carbon Dioxide is converted to glucose during photosynthesis. Glucose contains carbon

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2
Q

Respiration

A

CO2 is released from organic matter

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3
Q

Combustion

A

fossil fuels are burned and release CO2 into the atmosphere

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4
Q

Fossilisation

A

Living things don’t fully decay when they die and they fossilised. Over time they turn into fossil fuels

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5
Q

Feeding and Assimilation

A

Carbon is passed from one stage of a food chain to another.

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6
Q

Photosynthesis equation

A

Water + Carbon Dioxide —– Glucose + oxygen

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7
Q

Aerobic respiration equation

A

Oxygen + glucose —– Water + carbon Dioxide

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8
Q

Anaerobic respiration equation (in animals)

A

Glucose —– lactic acid + (some energy)

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9
Q

Anaerobic respiration equation (in plants and yeast)

A

Glucose —– ethanol + carbon dioxide + water

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10
Q

Combustion equation

A

Fuel + oxygen —- Carbon Dioxide + water

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11
Q

How can the population of animals or plants be estimated?

A

The size of a population of animals or plants in a habitat can be estimated by taking samples of the organism from the habitat

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12
Q

Quantitative sampling

A

Taking several readings and then finding the number of organisms per metres squared

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13
Q

Range

A

The range of the data between the minimum and maximum values

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14
Q

Mean

A

Add all the readings together and divide by 10

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15
Q

Median

A

The middle values when the numbers are put in order

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16
Q

Mode

A

The most frequently occurring value

17
Q

Biotic factors that affect the survival of organisms

A

Availability of food
New predators arriving
New pathogens
One species outcompeting another so the numbers are no longer sufficient to breed.

18
Q

Abiotic factors

A 
Non-living factors that affect living things
Light intensity
Temperature
Moisture levels
Soil PH and mineral content
wind intensity and direction 
Availability of oxygen
19
Q

Predator

A

Consumers that kill and eat other animals

20
Q

Prey

A

Animals that are eaten

GCSE (29 decks)

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